Planet POE-100, User Manual

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Appendix A
RJ-45 pin assignment and cable system
A.1 Pin assignment
The following table and diagram show the standard RJ-45
receptacle/ connector and their pin assignments:
RJ-45 Connector pin assignment
Contact
MDI
Media
Dependant
Interface
MDI-X
Media
Dependant
Interface -Cross
1 TX + (transmit) Rx + (receive)
2 TX - (transmit) Rx - (receive)
3 Rx + (receive) TX + (transmit)
4,5 Ground*
6 Rx - (receive) TX - (transmit)
7,8 DC current*
Table A-1 The standard cable, RJ-45 pin assignment
Figure A-1 The standard RJ-45 receptacle/connector